2245105 has 16 divisors (see below), whose sum is σ = 2906064. Its totient is φ = 1658880.

The previous prime is 2245063. The next prime is 2245121. The reversal of 2245105 is 5015422.

It can be written as a sum of positive squares in 8 ways, for example, as 419904 + 1825201 = 648^2 + 1351^2 .

It is not a de Polignac number, because 2245105 - 2¹¹ = 2243057 is a prime.

It is a super-2 number, since 2×2245105² = 10080992922050, which contains 22 as substring.

It is a Duffinian number.

2245105 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (181629).

2^2245105 is an apocalyptic number.

It is an amenable number.

2245105 is a deficient number, since it is larger than the sum of its proper divisors (660959).

2245105 is a wasteful number, since it uses less digits than its factorization.

2245105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2245105 is about 1498.3674449213. The cubic root of 2245105 is about 130.9419745738.

It can be divided in two parts, 224 and 5105, that added together give a square (5329 = 73²).

The spelling of 2245105 in words is "two million, two hundred forty-five thousand, one hundred five".